Viessmann VITOTRONIC 100 GC1B Service Manual Page 69

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Installation
69
Connection of Combustion Air Device on Multiple Boiler Systems
If a single combustion air device is
required for a multiple boiler system, a
Common Combustion Air Interface
must be installed.
Rated voltage: 120 VAC
Rating current: max 5 FLA
Recommended connection
wire size: AWG 14
1. Install Combustion Air Device
Adaptor on each boiler.
Part No. 7134 563
2. Install Common Combustion Air
Device Interface,
Part No. 7134 604
as per supplied manual.
3. Make connection as shown in the
diagram at left.
A Common Combustion Air Device
Interface (wall mount)
B Combustion Air Device Adaptor
in connection enclosure on each
boiler
C Interconnecting wiring
(field supplied and connected)
Refer to Istallation and Operating
Instructions of Common Combustion
Air Device Interface for details.
5351 338 v1.6
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